GT4-12

GT4-12

12 inch Subwoofer

Sold from 2006 until 2008

Predecessor Product: GRAND TOURING GTO 1220
Successor Product: GT5-12

Quick Start Guide & Downloads

Product Specifications

Frequency Response
23Hz – 450Hz
Sensitivity (1 watt @ 1 meter)
93dB
Nominal Impedance
4 ohms
Voice-Coil Diameter
2 inches
Overall Diameter
12.24 inches
Vas
3.55 cubic feet
Qts
0.43
Fs
24.75Hz
Qes
0.46
Qms
6.46
Sealed Enclosure (vol)
1 cubic foot
Vented Enclosure (vol)
2.26 cubic feet
Mounting Depth
6.34 inches
Cutout Dimensions
11.14 inches

For anyone who likes to crank it up in the car, the new JBL® 305mm (12 inch) high-output GT4-12 subwoofer is the real deal. The JBL GT4-12 subwoofer features a single 4-ohm voice coil and a vented motor structure, and offers 1100 watts of peak power handling.

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